Mercury Mercruiser engines

Gas Sterndrive HP 575 SCI 550 hp

It’s a first for Mercury Racing® The HP575 SCi pairs a custom supercharger with fuel injection for greater power and control. You’ll enjoy turnkey starting, smooth-shifting, instant throttle response, and a very broad torque band throughout the engine’s operating range.

Boating Benefits

The MEFI 3 Electronic Control Module, which provides precise fuel and spark control and unmatched top-end throttle response.

A top-quality valve train designed for improved airflow and durability.